OPPO does not have a full form, as it is not an acronym. It is simply the brand name of a Chinese consumer electronics manufacturer.
While OPPO doesn't stand for anything, the name may have been inspired by the naval term "Operations Officer," though this is not officially confirmed. The company, headquartered in Dongguan, specializes in smartphones, smart devices, and audio equipment. Instead of being an abbreviation, "OPPO" functions solely as a recognizable and marketable brand identity.